| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] used for [adj] [noun] | 113 |
|
| 2 | [modal v] [be] used for [adj] [noun pl] | 53 |
|
| 3 | [modal v] [be] [verb] for [adj] purposes | 24 |
|
| 4 | [modal v] [be] [vb pp] for [adj] purposes | 24 |
|
| 5 | [modal v] [be] used for [adj] purposes | 16 |
|
| 6 | [modal v] [be] used for [adj] purpose | 14 |
|
| 7 | [modal v] [be] used [prep] [adj] purposes | 14 |
|
| 8 | [modal v] [be] use for [adj] purposes | 14 |
|
